He has also written other works, including:
* "Otoyomegatari" (A Bride's Story) - A historical manga series set in Central Asia in the 19th century.
* "The Promised Neverland: " - He also wrote the short story "The Promised Neverland: " which is a prequel to "The Promised Neverland."
It's important to note that Kamada often collaborates with different artists. For example, in "The Promised Neverland", he worked with Posuka Demizu on the artwork.